This fiction book, aimed at readers 6 to 10, features Fribble Mouse who solves mysteries using library research skills. Great Uncle Skipper Mouse, a former sailor, is moving from a big house by the sea to a small cottage. He invites his relatives to come and visit the Maine coast before he makes his move. Healso send to Fribble his old sea chest which is filled with mysterious objects such as a display board of sailor knots, boson's whistle, signal flags, scrimshaw, barometer, and telescope. Fribble learns about the objects in the sea chest through research, and also learns how to use a computer catalog, Dewey Decimals, dictionary, atlas, encyclopedia, and road maps. Finally Fribble uses a map sent by Great Uncle Skipper Mouse to discover a special treasure.